Extra leg workout
10 of the Best Ab Workouts
Sync Step generates a playlist to match your heart rate. Perfect for working out!
Tip yourself $1 each time you workout and after every 100 workouts, treat yourself to something!
Just like doing Tabata - 20 seconds of high intensity, then a 10 second rest before the next. Except in Tabata, we repeat each move 8 times for a strong half hour work out.